题目

利用法则简便运算
1.2^4×4^3×(-0.125)^4
2.(0.04)^2006×[(-5)^2006]^2
要完整的过程

提问时间：2021-03-22

答案

1.2^4×4^3×(-0.125)^4 =2^4×(2^2)^3×(-1/8)^4 =2^4×2^6×(1/8)^4 =2^4×2^6×(2^-3)^4 =2^4×2^6×2^-12 =2^(4+6-12) =2^-2 =-1/42 (0.04)^2006×[(-5)^2006]^2 =(0.04)^2006*[(-5)^2]^2006 =[0.04*25]^2006 =1...